/'tʃɔ:tl; `tʃɔrtl/
n loud chuckle of pleasure or amusement 大声的笑; 咯咯的笑.

v [I] utter a chortle 哈哈大笑; 咯咯笑
*chortle with delight at a joke 让笑话逗得哈哈大笑.

NOTE ON USAGE 用法
*Chuckle and chortle both indicate laughing with pleasure and satisfaction. *chuckle和chortle均指因高兴和满足而笑. Chuckling is usually quiet and may be a response to private thoughts or reading *chuckling通常是低声或无声的, 也可为独自思考和阅读的反应
*He chuckled to himself when he remembered the trick he'd played on them. 他想起捉弄他们的事就忍俊不禁. Chortling is usually louder and more public *chortling通常声音较大, 而且多是当众的
*When I told them what had happened to me, they all chortled with mirth. 我把我的事告诉他们以後, 他们咯咯地笑起来了.

v [I]formal
[Date: 1800-1900; Origin: chuckle + snort]
to laugh because you are amused or pleased about something
　Harry chortled with delight.
>chortlen[C]